#1 LS1Tech Sponsor
Join Date: Nov 2007
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Too much Advertising, Not enough Tech - Spark Plug Reference Thought we would contribute our detailed spark plug reference to the site. We spent a lot of time putting this together, hopefully it'll aide you guys in your spark plug selection. Its not going to tell you what to choose, but rather part numbers for what you can run and equivalant of NGK plugs. We made this awhile ago but didnt post it sicne we found our last one on other peoples sites. But we figured it would be really useful to you guys. Gasket Seat - .708 - .75" reach - 14mm thread dia. - 5/8 hex Taper Seat - .708 - .75" reach - 14mm thread dia. - 5/8 hex
Last edited by Mike@HSW; 11-19-2009 at 07:11 PM ..
#2 LS1Tech Sponsor
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Taper Seat - .460" Reach - 14mm thread dia. - 5/8 hex Taper Seat - 1" Reach - 14mm thread dia. - 5/8 hex Taper Seat - 1" Reach - 14mm thread dia. - 9/16 hex
#3 10 Second Club
Join Date: Feb 2006
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Good deal. I think people (including myself) have been looking for something like this for a long time. Especially since it seems like NGK's are always on a couple week back order from Summit/Jegs. It's nice to see some alternative plugs that can be used.
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9.74@136 347--TH350--BS3
#4 10 Second Club
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Thank you for taking the time to do that, very helpful!
#5 10 Second Club
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Just for reference. I buy my NGKs from Orielly auto parts store and they have a 1 year warranty with them.
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#6 LS1Tech Sponsor
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This might be an easier to read version.
#7 10 Second Club
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I was really hoping to see you guys introduce a new product in this thread. I was thinking something like a new purge button or something.
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9.74@136 347--TH350--BS3
#8 Banned
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That needs to be stickied!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
#9 TECH Junkie
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thank you for the work involved in putting this together, and will answer a lot of question that get asked at least once a week on here. very nice.
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2001 WS.6 A3 Black on Black. ASC# 4231
Tv2 cam, stage 2.5 ls6 heads, Moser 12 bolt and some juice
98 dodge Ram- the DD and pull
#10 LS1Tech Sponsor
Join Date: Nov 2007
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Quote:
Originally Posted by
black01_WS6 thank you for the work involved in putting this together, and will answer a lot of question that get asked at least once a week on here. very nice.
We can come up with some very general guidelines on plug selection if you guys want. The difficult part is that plug selection does not rely on shot size alone. I can give you a general chart when to go up in heat range based on shot size and compression, but like i said, id rather have you ask me directly with all the specifics on your build. Like i always say though, when in doubt go with a plug colder than you think you may need. You can't hurt your motor going too cold.
#11 10 Second Club
Join Date: Apr 2006
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Def. bookmarked. Thanks guys
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Cam only 10.97 at 123 w/a 1.46 sixty foot
Cam only+ a shot 10.10's at 135 and no traction
#12 11 Second Club
2001 Pontiac Trans Am My Garage
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There is also a '7 NGK 3526 BP7EFS Projected 2 steps colder w/ projected tip.' for the Taper Seat - .708.
#13 LS1Tech Sponsor
Join Date: Nov 2007
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Quote:
Originally Posted by
JonCR96Z There is also a '7 NGK 3526 BP7EFS Projected 2 steps colder w/ projected tip.' for the Taper Seat - .708.
Sure we can add those and your right it was RARE and pretty much unacceptable to use it on a nitrous application.
#14 TECH Senior Member
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very nice list. I have it all memorized so you can go a head and delete all the information...
#15 LS1Tech Sponsor
Join Date: Nov 2007
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Quote:
Originally Posted by
Robert56 very nice list. I have it all memorized so you can go a head and delete all the information...
your test is tomorrow, better be ready.
#16 11 Second Club
Join Date: Dec 2003
Location: southaven, MS
Posts: 1,240
Any chance you could give me some 3 step colder options for a 3.8 turbo Buick? The juice is blowing the spark out and the guys on the TB forums are no help.
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#17 LS1Tech Sponsor
Join Date: Jul 2005
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Quote:
Originally Posted by
TARZAN Any chance you could give me some 3 step colder options for a 3.8 turbo Buick? The juice is blowing the spark out and the guys on the TB forums are no help.
Yup, got ya covered. Its not a great image but hopefully you can read it. For those that will become confused...
THIS IS THE TURBO BUICK SPARK PLUG CHART
Nick
#18 LS1Tech Sponsor
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If anyone else needs a different vehicle PM me, we have charts for just about all cars.
#19 11 Second Club
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Much appreciated. Now I need to read up on the advantages/dis of projected vs. non and resisted vs. non.
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Hair dryers, baby bottles.....just a lil childs play
Roll Racing....created FOR people who can't drive, BY people who can't drive
#20 TECH Regular
Join Date: Jun 2006
Location: Raleigh, NC
Posts: 453
I dont see the Autolite AR93's on there tapered seat for the LSx
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Tags 5238 , 670 , ar3933 , ar3934 , autolite , champion , colder , gap , ngk , plug , projected , rc14yc , rc9yc , spark , tip , vs
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Too much Advertising, Not enough Tech - Spark Plug Reference 
